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Microphone tx is mostly working, Voice activation, PTT, CTCSS...

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Transmit bandwidth bugfix
TX LED is now only lit when using rf amp
VU-meter widget
Added gain parameter for baseband audio TX
This commit is contained in:
furrtek
2017-03-13 04:09:21 +00:00
parent 71999f216f
commit 69b0ef9a40
32 changed files with 523 additions and 194 deletions
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21
firmware/baseband/audio_input.cpp
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@@ -32,28 +32,9 @@
#include <cstddef>
#include <array>
void AudioInput::configure(
const iir_biquad_config_t& hpf_config,
const float squelch_threshold
) {
//hpf.configure(hpf_config);
//squelch.set_threshold(squelch_threshold);
}
void AudioInput::read_audio_buffer(buffer_s16_t& audio) {
//std::array<int16_t, 32> audio_int;
auto audio_buffer = audio::dma::rx_empty_buffer();
for(size_t i=0; i<audio_buffer.count; i++) {
//const int32_t sample_int = audio.p[i] * k;
//const int32_t sample_saturated = __SSAT(sample_int, 16);
for (size_t i=0; i<audio_buffer.count; i++)
audio.p[i] = audio_buffer.p[i].left;
//audio_int[i] = sample_saturated;
}
/*if( stream && send_to_fifo ) {
stream->write(audio_int.data(), audio_buffer.count * sizeof(audio_int[0]));
}*/
//feed_audio_stats(audio);
}

18
firmware/baseband/audio_input.hpp
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@@ -35,27 +35,13 @@
class AudioInput {
public:
void configure(
const iir_biquad_config_t& hpf_config,
const float squelch_threshold = 0.0f
);
void read_audio_buffer(buffer_s16_t& audio);
/*void set_stream(std::unique_ptr<StreamInput> new_stream) {
stream = std::move(new_stream);
}*/
private:
static constexpr float k = 32768.0f;
/*static constexpr float k = 32768.0f;
static constexpr float ki = 1.0f / k;
IIRBiquadFilter hpf { };
//FMSquelch squelch { };
//std::unique_ptr<StreamInput> stream { };
//AudioStatsCollector audio_stats { };
IIRBiquadFilter hpf { };*/
};
#endif/*__AUDIO_INPUT_H__*/

25
firmware/baseband/proc_mictx.cpp
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@@ -37,13 +37,14 @@ void MicTXProcessor::execute(const buffer_c8_t& buffer){
for (size_t i = 0; i<buffer.count; i++) {
sample = audio_buffer.p[i >> 6] >> 8;
sample = audio_buffer.p[i >> 6] >> 8; // 1536000 / 64 = 24000
sample = (sample * (int32_t)gain_x10) / 10;
power += (sample < 0) ? -sample : sample;
power += (sample < 0) ? -sample : sample; // Power mean for UI vu-meter
if (!as) {
as = divider;
level_message.value = power / (divider / 4);
level_message.value = power / (divider / 4); // Why ?
shared_memory.application_queue.push(level_message);
power = 0;
} else {
@@ -59,13 +60,18 @@ void MicTXProcessor::execute(const buffer_c8_t& buffer){
}
// FM
delta = sample_mixed * fm_delta;
phase += delta;
sphase = phase + (64 << 24);
if (fm_delta) {
delta = sample_mixed * fm_delta;
phase += delta;
sphase = phase + (64 << 24);
re = (sine_table_i8[(sphase & 0xFF000000U) >> 24]);
im = (sine_table_i8[(phase & 0xFF000000U) >> 24]);
re = (sine_table_i8[(sphase & 0xFF000000U) >> 24]);
im = (sine_table_i8[(phase & 0xFF000000U) >> 24]);
} else {
re = 0;
im = 0;
}
buffer.p[i] = {re, im};
}
@@ -77,6 +83,7 @@ void MicTXProcessor::on_message(const Message* const msg) {
switch(msg->id) {
case Message::ID::AudioTXConfig:
fm_delta = message.fm_delta * (0xFFFFFFULL / 1536000);
gain_x10 = message.gain_x10;
divider = message.divider;
ctcss_enabled = message.ctcss_enabled;
ctcss_phase_inc = message.ctcss_phase_inc;

2
firmware/baseband/proc_mictx.hpp
View File

@@ -46,7 +46,7 @@ private:
AudioInput audio_input { };
uint32_t divider { };
uint32_t divider { }, gain_x10 { };
uint32_t as { 0 };
uint32_t fm_delta { 0 };
bool ctcss_enabled { false };